--- title: 'USN-8054-1: DjVuLibre vulnerabilities | Ubuntu security notices' description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/notices/USN-8054-1 --- 1. [Ubuntu Security Notices](https://ubuntu.com/security/notices) 2. USN-8054-1 --- # USN-8054-1: DjVuLibre vulnerabilities Publication date 23 February 2026 Overview Several security issues were fixed in DjVuLibre. Releases [24.04 LTS](https://ubuntu.com/security/notices?release=noble) [22.04 LTS](https://ubuntu.com/security/notices?release=jammy) [20.04 LTS](https://ubuntu.com/security/notices?release=focal) [18.04 LTS](https://ubuntu.com/security/notices?release=bionic) [16.04 LTS](https://ubuntu.com/security/notices?release=xenial) --- Open side navigation ## Packages * [djvulibre](https://ubuntu.com/security/cves?package=djvulibre) - DjVu image format library and tools ## Details It was discovered that DjVuLibre could be forced to execute a division by zero in certain instances. A remote attacker could possibly use this issue to cause applications to stop responding or crash, resulting in a denial of service. ([CVE-2021-46312](https://ubuntu.com/security/CVE-2021-46312)) It was discovered that DjVuLibre incorrectly handled certain memory operations. If a user or automated system were tricked into processing a specially crafted DjVu file, a remote attacker could cause applications to stop responding or crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. ([CVE-2025-53367](https://ubuntu.com/security/CVE-2025-53367)) ## Update instructions In general, a standard system update will make all the necessary changes. [Learn more about how to get the fixes.](https://ubuntu.com/security/cves/about#security) The problem can be corrected by updating your system to the following package versions: | Ubuntu Release | Package Version | | --- | --- | | 24.04 LTS noble | [libdjvulibre21](https://launchpad.net/ubuntu/+source/djvulibre) –  [3.5.28-2ubuntu0.24.04.2](https://launchpad.net/ubuntu/+source/djvulibre/3.5.28-2ubuntu0.24.04.2) | | | | 22.04 LTS jammy | [libdjvulibre21](https://launchpad.net/ubuntu/+source/djvulibre) –  [3.5.28-2ubuntu0.22.04.2](https://launchpad.net/ubuntu/+source/djvulibre/3.5.28-2ubuntu0.22.04.2) | | | | 20.04 LTS focal | [libdjvulibre21](https://launchpad.net/ubuntu/+source/djvulibre) –  3.5.27.1-14ubuntu0.1+esm1   Ubuntu Pro | | | | 18.04 LTS bionic | [libdjvulibre21](https://launchpad.net/ubuntu/+source/djvulibre) –  3.5.27.1-8ubuntu0.4+esm1   Ubuntu Pro | | | | 16.04 LTS xenial | [libdjvulibre21](https://launchpad.net/ubuntu/+source/djvulibre) –  3.5.27.1-5ubuntu0.1+esm3   Ubuntu Pro | | | --- ### Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. [Get Ubuntu Pro](https://ubuntu.com/pro) ## References * [CVE-2025-53367](https://ubuntu.com/security/CVE-2025-53367) * [CVE-2021-46312](https://ubuntu.com/security/CVE-2021-46312) ## Related notices * [USN-7631-1](https://ubuntu.com/security/notices/USN-7631-1)